/*
moxl - Modular XML Library
Copyright (c) 2007, Malcolm Sparks

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
*/
package moxl.xpath.parser.parser;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import moxl.dom.DefaultQualifiedName;
import moxl.dom.DefaultXmlNamespace;
import moxl.dom.ethereal.EtherealAttribute;
import moxl.dom.ethereal.EtherealElement;
import moxl.reader.LocateableReader;
import moxl.reader.XPathExpressionReader;
import moxl.tokenizer.TokenStream;
import moxl.tokenizer.Tokenizer;
import moxl.tokenizer.WhitespaceFilteringTokenStream;
import moxl.xpath.axes.XPathAxis;
import moxl.xpath.parser.XPathParser;
import moxl.xpath.parser.types.Step;
import moxl.xpath.tokenizer.StartState;

import org.junit.Before;
import org.junit.Test;

public class StepParserTest2 
{
	private Step step;
	private XPathParser parser;
	private TokenStream tstream;

	@Before
	public void setUp() throws Exception
	{
		LocateableReader reader = new XPathExpressionReader("child::*[position()=1]");
		Tokenizer toker = new Tokenizer(reader, StartState.getInstance());
		tstream = new WhitespaceFilteringTokenStream(toker);
		parser = new XPathParser();
		step = parser.parseStepFromStream(tstream);
	}


	@Test
	public void stepNotNull()
	{
		assertNotNull(step);
	}

	@Test
	public void axisName()
	{
		assertEquals(XPathAxis.CHILD, step.getAxis());
	}

	@Test
	public void nameTest()
	{
		assertTrue(step.getNodeTestMatcher().matches(new EtherealElement(new DefaultQualifiedName(DefaultXmlNamespace.getInstance(), "alpha"))));
		assertFalse(step.getNodeTestMatcher().matches(new EtherealAttribute(new DefaultQualifiedName(DefaultXmlNamespace.getInstance(), "alpha"), "foo")));
	}

	@Test
	public void predicatesNumber()
	{
		assertEquals(1, step.listPredicates().size());
	}

}
